Does being in a happy relationship make you gain weight?

Interviewed for this article on whether being in a happy relationship saps willpower to lose weight/stay at a healthy weight. (personally, I'd prioritize a happy relationship over losing weight)

"Happiness Takes the Cake" Boston Globe October 15, 2009

Unfortunately, we have been trained over the years to reward ourselves with food, says Kelly McGonigal, a health educator and PhD at Stanford University. “If you celebrate your good mood with high-fat foods, recent research suggests that the brain gets tricked by the fat molecules into ignoring signals of fullness, so you keep eating,’’ McGonigal says.

Although it’s tempting, McGonigal warns me that my ticket back to Skinnyville is not making myself miserable. In fact, she explains that stress, fear, and depression are triggers for eating even more.